The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 12, 2008
Filed:
Jan. 10, 2003
Applicant:
Axel Pfeffer, Berlin, DE;
Inventor:
Axel Pfeffer, Berlin, DE;
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 66/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of monitoring the functionability of a brake lining () comprising the following steps: measuring a value that characterizes the dielectric constant of the lining material; comparing the measured value with a reference value for the new material; and determining the functionability when the measured value is within a specified tolerance range.